baber/WOPTO huggingface dataset:
Patent GB-971779-A (GB)
Title: Purification of coke oven light oil
IPC: C10G35/00
Filed: 1961-12-12
Abstract: A method of purifying coke-oven light oil comprises separating from said oil by distillation a primary oil boiling above 150 DEG  C. and a secondary light oil overhead, and subjecting the freshly distilled secondary light oil without prior storage thereof to catalytic hydrodesulphurization. Prior to the desulphurization, the secondary light oil may be subjected to a selective hydrogenation to hydrogenate unsaturates without significant saturation of aromatic nuclei, preferably over a cobalt molybdate catalyst containing 10%-20% wt. of the oxides of cobalt and molybdenum associated with alumina, the MoO3: CoO ratio being 3.5: 1 to 5: 1 by weight.  The preferred hydrogenation conditions are: 177 DEG  C.-354 DEG  C. 28.1 kg/cm.2g.-105.5 kg/cm.2g.  Space rate at least 6, preferably 6-10. Prior to the separation of the primary and secondary oils by distillation, forerunnings boiling below 55 DEG  C. may be removed, for example by distillation, and if desired the remainder may be stored, and freed of polymers formed during storage prior to the separation into primary and secondary oils.  Specification 943,417 is referred to.ALSO:A cobalt molybdate on alumina catalyst for purifying coke oven light oil is prepared by dissolving MoO3 in aqueous ammonium hydroxide to form a first solution, dissolving cobalt nitrate in water and ethylene diamine and adding H2O2 to form a second solution, mixing the two solutions and mulling the mixture with partially dehydrated alumina.  The mulled material is auger extruded through a 3,2 mm. die and the strands cut into 6,4 mm. lenghts, treated at 121  DEG C. for three hours in a stream of dry air, and then calcined in dry air at 566  DEG C. for two hours.  The product has a surface area of 308 m.2/g., a bulk density of 0,7, and an approximate composition by weight: .82%.Al2O3 .3%.CoO .15%.MoO3 .0,02%.Na2O The calcined pellets are sulphited at 427  DEG C. for three hours in a gas stream having the composition 25% H2S, 75% N2 by volume.  Specification 943,417 is referred to.
Patent GB-1139625-A (GB)
Title: Process and apparatus for evaporating nacl brine containing naso
IPC: B01D1/26
Filed: 1967-09-29
Abstract: 1,139,625. Sodium chloride and sulphate. ESCHER WYSS Ltd. 29 Sept., 1967 [17 Oct., 1966], No. 44562/67. Heading C1A. [Also in Division B1] Sodium chloride and sodium sulphate are recovered from brines by crystallizing NaCl from the brine until the mother liquor is saturated with Na 2 SO 4 , heating to a higher temperature to undersaturate the mother liquor with NaCl, re-saturating with NaCl, separating the precipitated Na 2 SO 4  and returning the residual mother liquor to the NaCl crystallization process. The re-saturation may be effected by addition of NaCl or by further evaporation, such as expansion evaporation. Such further expansion is normally carried out at a temperature above that at which NaCl would be precipitated. As shown in Fig. 2, brine containing NaCl and Na 2 SO 4  is evaporated as it flows successively through vapour-compression evaporator 25, flash evaporator 32 and re-evaporator 33, and crystals of NaCl are discharged through pipes 37 and 38. The brine leaving re-evaporator 33 through pipe 39 flows through heaters 40, 41, 42 into flash evaporator 43, where Na 2 SO 4  is precipitated and withdrawn through pipe 45. The mother-liquor, withdrawn from evaporator 43 through pipe 39, is recycled to evaporator 32. Re-evaporator 33 is heated by part of the vapour formed in evaporator 25. Heaters 40 and 41 are heated by vapours from evaporators 32 and 43 respectively. The evaporation may alternatively be carried out in a triple-stage evaporator, the last stage leading to a heater and a mixer in which NaCl is added to the brine in order to precipitate Na 2 SO 4 . The mother-liquor is then recycled to the last stage.
Patent GB-1393426-A (GB)
Title: Bonded fibre fabric manufacture
IPC: D04H1/558
Filed: 1972-09-27
Abstract: 1393426 Spot bonded fabric IMPERIAL CHEMICAL INDUSTRIES Ltd 10 Sept 1973 [27 Sept 1972] 44651/72 Heading D1R A non-woven fabric is obtained by irradiating selected areas of a web with one or more laser beams so as to weld fibres together in discrete areas and then lofting the web. The laser beam preferably forms holes in the web and welds adjacent fibres. Exemplified webs are a continuous filament web of nylon 66 core/nylon 6 sheath, an optionally needle punched web of nylon 66 core,170/30 nylon 66/6 copolymer sheath continuous filaments, a needled continuous filament web of side by side polyethylene terephthalate/polytetramethylene terephthalate, a web of side by side nylon 66/nylon 6 staple fibres, a staple fibre web of nylon 66 core/nylon 6 sheath staple fibres which may be needled, a continuous nylon 6 filament web and a web of continuous side-by-side nylon 66/nylon 11 filaments. The web may be calendered or pre heated before the lazer welding. The laser may be a CO 2  gas laser with a power of 22 watts to over 1 kilowatt. Preferably the laser is stationary and patterning is produced on a moving web by interrupting the beam with a rotating disc provided with slits, the axis of rotation being oscillated by means of a cam. Alternatively the laser beam may be traversed by rotating mirrors. The perforated fabric may be stretched on a stenter to increase the area of the holes and set by heating or calendering using a heated embossing roll to produce further spot welding. The lofting treatment which increases the thickness of the non-welded areas comprises heating in an agitated fluid, heating fibres with a latent crimp to bulk them, heating a web comprising fibres with different shrinkages, or mechanically heating or teasing.
Patent GB-1471532-A (GB)
Title: Radiography
IPC: A61B6/03
Filed: 1974-04-08
Abstract: 1471532 Radiography EMI Ltd 8 April 1974 [11 Oct 1973] 44799/76 Divided out of 1471531 Heading H4F The description is substantially identical to part of that of Specification 1,471,531 also in this Division. The claims are directed to methods (and apparatus for performing them) of examining a substantially planar region of a body by means of penetrating radiation, such as X-rays, comprising deriving data signals indicating transmitted radiation along respective coplanar beam paths, sequentially applying the signals to a recirculatory signal path input, multiplying signals in the path by a factor less than unity and applying the product so formed to the input of the path as the next data signal arrives there, deriving from the path output signals representing the combined signals circulating in the path and using these to produce a representation of the variation of absorption over the planar region of the body.
Patent GB-1411993-A (GB)
Title: Method of and device for measuring a given force acting on a body
IPC: B23Q17/09
Filed: 1972-09-29
Abstract: 1411993 Measuring force electrically LICENTIA PATENT-VERWALTUNGS-GmbH 29 Sept 1972 [30 Sept 1971] 45164/72 Heading G1N A device for measuring force acting on a body includes a washer, the length of which is small compared to its radial dimension, arranged with its axis parallel to the direction of the force and having at least one resistance strain gauge mounted on a first region of the washer extending between its end surfaces to support the force to be applied, which gauge responds to the force, and having a second region recessed below one end surface of the washer on which second region a strain gauge is provided for temperature compensation.
Patent GB-1493479-A (GB)
Title: Drive mechanism for an endless printing ribbon
IPC: B41J33/26
Filed: 1975-10-31
Abstract: 1493479 Tape cassettes NCR CORP 31 Oct 1975 [12 Nov 1974] 45225/75 Heading B8M [Also in Division B6] An ink ribbon cassette attachable to the moving print head carriage of a printer houses a ribbon in the form of a Mobius loop. The ribbon is unwrapped from the inside of coils on spool 72 and returned to the outside of the coils. The ribbon is advanced by a roller 90 engaging a shaft 102 on the carriage. The cassette has ribbon guides 78, 80, 82, 86, 88, 92. The cassette clips to the carriage by means of lugs 96.
Patent GB-1173640-A (GB)
Title: Bactericidal Compositions and Articles Containing Them.
Inventor: MOYER WENDELL WILLIAM
IPC: A01N35/02
Filed: 1967-10-05
Abstract: 1,173,640. Bactericidal laminates. DAUBERT CHEMICAL CO. 5 Oct., 1967, No. 45375/67. Heading B5N. [Also in Division A5] A sheet material such as bleached Kraft paper is coated or impregnated with a bactericidal composition and is then provided with a liner or film base impermeable to the bactericidal vapour, e.g. a film base of paraffin wax, cellulose acetate, polyvinylidene chloride, ethylene glycolterephthalic acid polymer, polyethylene or aluminium foil. The bactericidal composition comprises a formaldehyde vapour donor (e.g. paraformaldehyde, trioxane or trishydroxymethyl nitromethane) and 6-acetoxy-2,4-dimethyl - m - dioxane, ethyl benzoate, methyl benzoate and/or methyl-p-hydroxy-benzoate. Applications may be hospital bags, liners for trash and disposal cans, disinfecting bags, packaging for sterile objects and shelf liners.
Patent GB-1149102-A (GB)
Title: A method of preparing new halogenated compounds of the pregnane series
Inventor: SYHORA KAREL
IPC: C07J75/00
Filed: 1966-04-18
Abstract: 1,149,102. 6 - Halo - 16 - methylene - pregnane compounds. SPOFA SPOJENE PODNIKY PRO ZDRAVOTNICKOU VYROBU. 18 April, 1966 [16 April, 1965], No. 45440/68. Divided out of 1,149,101. Heading C2U. Novel steroids of the formula (wherein X is a halogen; R is C 1-5  alkyl; and R<SP>1</SP> is C 1-6  alkyl) are prepared by enol-etherification of the corresponding 6α- or 6#-halo-#<SP>4</SP>-3- ones, preferably with an ester of an ortho acid in presence of an acid catalyst.
Patent GB-1408986-A (GB)
Title: Toy vehicle apparatus
IPC: A63H29/04
Filed: 1973-10-01
Abstract: 1408986 Spring motors MARVIN GLASS ASSOCIATES 1 Oct 1973 45741/73 Heading F2S [Also in Divisions A5-A6] A toy vehicle (see Divisions A5-A6) has a spring motor wound by turning a rear wheel 26a, Fig. 5, backwards to drive through an overload slip friction coupling 56 and gears 54, 50 to wind a spring 34 on to an output drum 36. The spring 34 is withdrawn from a storage drum 32, Fig. 3. Spring-biased detents 38, 44, Fig. 4, engaging recesses 42, 44 in the output and storage drums, respectively, when the respective final coil of the spring 34 has been unwound from either, prevent the spring from being stripped off. The side plates 64a, 64b of the spring motor are pivoted about the rear axle 28 of the vehicle, so that the spring motor may move from a forward position, Fig. 6 (not shown), to a rearward position, Fig. 7 (not shown), and vice versa. When the spring motor is pivoted to its rearward position, the moments of its mass about the toy vehicle rear axle 28 causes the front of the toy vehicle to rear up, so that the vehicle simulates a dragster making a racing start. The spring motor of the toy vehicle 20 is wound by placing the vehicle upon a winder 90, Figs. 13, 14, so that a gear 102 meshes a gear 48, Fig. 5, on the vehicle rear wheel 26a. A retaining tongue 112, Figs. 13, 14, on the winder 90 enters a slot in the rear of the toy vehicle 20, and a releasable pivot latch 116a, 116b, 116c engages the edge of a slot in the bottom of the vehicle. Oscillation of a handle 94 acts through a ratchet and pawl 108, and through a train of step-up gearing, to rotate the gear 102 and wind the spring motor 64a, &c. On release of the latch 116, &c., the toy vehicle 20 runs down a ramp 92 of the winder 90.
Patent GB-1551204-A (GB)
Title: Process for the production of epoxide resins
IPC: C07D301/32
Filed: 1977-11-03
Abstract: The continuous preparation of epoxy resins of low, moderate and high molecular weight is carried out from epichlorohydrin, 2,2-bis(4-hydroxyphenyl)propane, alkali metal hydroxide and water without further starting materials. The raw materials are mixed vigorously and continuously in a reactor at rates of from 15 to 50 ms<-1> in a very small space, where they are reacted in a maximum of 5 s at temperatures of from 60 to 180 DEG C. The reaction is optionally continued in a second reactor, in which case it is possible for only a proportion of the reaction participants to be reacted in the first reactor, while the remainder are added in the second reactor. The resultant resins and the effluent can be extracted in countercurrent with water or organic solvents in a pulsation unit.
Patent GB-1029747-A (GB)
Title: Azo dyestuffs containing a pyrazole ring
IPC: C09B29/033
Filed: 1964-11-13
Abstract: The invention comprises monoazo dyestuffs of the formula <FORM:1029747/C4-C5/1> wherein A is the residue of a diazo component, X is -OH or -NH2, Y is an -NH- or -O-, R is an aliphatic, araliphatic, cycloaliphatic or aromatic radical, R1 is a C1-C4 alkyl radical or a radical of the benzene series and m is 0 or 1; the dyestuffs being free of -SO3H and -COOH groups.  They may be obtained by coupling a diazo component with a coupling component of the formula <FORM:1029747/C4-C5/2> in the 4-position.  The coupling is preferably performed in a neutral to weakly acid aqueous, organic or aqueous-organic medium. Preferred diazo components are those of the benzene, thiazole, benzthiazole and thiadiazole series and may contain non-ionic substituents, for example, -NO2, -CN, halogen atoms, C1-C4 alkyl sulphonyl, C1-C4 alkyl, C1-C4 alkoxy carbo-(C1-C4)-alkoxy, aryl, sulphonamide and substituted sulphonamide radicals.  The dye-stuffs are suitable for dyeing and printing synthetic fibres or fabrics and knitted materials produced therefrom.ALSO:Dyestuffs intermediates of the general formula <FORM:1029747/C2/1> wherein X is OH or NH2, Y is -NH-or-O-, m is 0 or 1, R is an aliphatic, araliphatic cycloaliphatic or aromatic radical, and R1 is alkyl or a radical of the benzene series, are obtained by reacting pyrazoles of the formula <FORM:1029747/C2/2> with organic acid anhydrides, acid chlorides, acid semiester chlorides, isocyanates or chlorocarbonic acid esters.  Numerous compounds of the above general formula are specified, and are used in the preparation of azo dyes (see Division C4).
Patent GB-1272251-A (GB)
Title: A method of applying material to a sintered part and a process for making a semiconductor device using this method
IPC: H01L23/31
Filed: 1969-09-19
Abstract: 1,272,251. Jointing; making semi-conductor devices. SIEMENS A.G. 19 Sept., 1969 [20 Sept., 1968], No. 46398/69. Headings B3A and B3V. [Also in Division H1] A method of making a semi-conductor housing involves impregnating a sintered metal part with a plastics material and subsequently moulding more plastics material containing a filler about it. In the Fig. 1 arrangement the cup-shaped sintered metal housing parts 1, 2 are held together by a spring clip 8 and sintered contact 4 having a tab 5 extending laterally from the housing is urged against semi-conductor member 3 by a spring 6 acting through insulating plate 7. The sintered parts which may be of copper, silver, iron, tungsten, molybdenum or combinations thereof are preimpregnated with epoxy resin and a ring 9 of filled epoxy resin is moulded about the assembled parts. In a modified structure a ceramic ring is interposed between the cup peripheries and the upper cup serves as an external connection. In a simpler arrangement the semi-conductor element is soldered to a sintered metal plate or the base of a cup and the second contact is an upstanding sintered wire. In this case the plastics seals off the space between the wire and the plate or cup.       1,272,280. Making sheets; improving physical properties; working at specified temperatures. BRITISH STEEL CORP. 1 June, 1970 [22 May, 1969], No. 26237/69. Headings B3A and B3V. [Also in Division C7] Soft magnetic sheet or strip is produced by rolling an ingot or slab of electrical alloy produced by electroslag refining. The rolling comprises hot-rolling at 900 to 1200 C., descaling, cold-rolling annealing at a temperature below 800 C preferably 650 to 750C cold rolling, a decarburizing anneal and a final anneal at 950 to 1250C for not less than 30 mins, in an atmosphere of dry hydrogen or a vacuum. The sheet or strip may be coated with MgO before the final anneal and the annealed strip coated with an insulating coating. The cold-rolling is performed with reductions of 60 to 90% during each step. The alloy is 3% silicon steel which has the grains thereof within 10 degrees of the [001] orientation by control of the electroslag refining. The product exhibited a torque curve approximately 98% of a (110) [001] single crystal.
Patent GB-1405145-A (GB)
Title: Method of transferring an article from a liquid refrigerant  into a vacuum treating plant
IPC: H01L21/00
Filed: 1972-10-09
Abstract: 1405145 Preparing microscope specimens LEYBOLD-HERAEUS-VERWALTUNG GmbH 9 Oct 1972 [8 Oct 1971] 46527/72 Heading G2J [Also in Divisions F4 and H1] A method of transferring an article (e.g. for electron microscopy) from a liquid refrigerant in which it has initally been prepared into a vacuum treating plant comprises locating the article 5 in a pot 1 which is immersed in the refrigerant and then transferring the pot containing the article and a quantity of the refrigerant into the vacuum treating plant. The presense of the refrigerant during transfer ensures the cooling of the article is not interrupted and the article is protected from deterioration resulting from heat and from contamination due to contact with the atmosphere. The pot bottom may have a heater 10 or cooling means, while monitoring may be by temperature sensitive element 11. The vacuum treating plant may be for freeze drying or vapourizing equipment. When the pot is placed in the vapourizing equip-  ment, the equipment is evacuated and the refrigerant evaporates until the temperature falls below the freezing point when it sublimes. Temperature sensitive articles may be first cut or broken in a liquid refrigerant (e.g. nitrogen). Article 5 may be secured by plate 2 with radial incisions or slots 3 Fig. 2, (not shown), and the pot covered by removable member 8.
Patent GB-1438490-A (GB)
Title: Apparatus for use as a gas compressor or gas blower
IPC: F04B7/06
Filed: 1972-07-11
Abstract: 1438490 Linkwork CARDING SPECIALISTS (CANADA) Ltd 5 July 1973 [11 July 1972] 46713/75 Heading F2K [Also in Division F1] A compressor piston 9, Fig. 1, is reciprocated and rotated by rotating a shaft 16 carrying the piston, the rotation of the shaft causing double-lobed cams 19, 20 fixed thereto to co-operate with rollers 24, 28, 29, 30 rotatably mounted on the cylinder 2, thereby to cause reciprocation of the piston. The shaft 16 is driven by a belt driven axially fixed shaft 168 through a coupling mechanism 167 which allows reciprocation of the shaft 16. Mechanism 167 comprises a belt crank lever 175, Figs. 4 and 9, secured to the shaft 168, the ends 180, 182 thereof pivotably supporting levers 179, 182, respectively. The radially outer ends of the levers 179, 182 carry rollers 187, 188 each engaging a side of a respective axial projection 173, 174 on one of the cams 19, 20 (shown as 166, 164 in Fig. 4). Opposite ends of the levers 179, 182 engage one another through their respective hardened pad 186 and tip 185. A second bell crank lever 189 journalled on the shaft 168 has similarly mounted levers 192, 195 with rollers 200, 201 engaging the other sides of the projections. A tension spring 202 is connected between extensions on the bell crank levers 175, 189. Because the moment arms A are equal and the moment arms B are also equal, the coupling mechanism prevents backlash and side thrust.
Patent GB-1504547-A (GB)
Title: Process for making alloyed steel sintered parts and sinter powder for use in the process
IPC: C22C33/02
Filed: 1975-11-14
Abstract: 1504547 Sintered alloy steel SINTERMETALLWERK KREBSOGE GmbH 14 Nov 1975 [30 Nov 1974] 47105/75 Headings C7A and C7D Sintered alloy steel is made by pressing and sintering a powder mixture containing Fe and a complex carbide ferro alloy containing in solid solution a metal e.g. Mn which is more O 2  affinitive than Fe. The ferro alloy preferably contains Cr up to 25%, Mo up to 25%, Mn up to 25%, C up to 10% as complex carbides and balance Fe. The powder mixture may also contain up to 5% Cu, up to 5% Ni, up to 0À8% P, up to 3% Sn, up to 2% W, up to 3% Si, up to 3% Al, up to 3% Zn.
Patent GB-1261507-A (GB)
Title: Screws and bolts
IPC: F16B37/14
Filed: 1970-10-06
Abstract: 1,261,507. Screws. KARCHER SCHRAUBENWERKE G.m.b.H. 6 Oct., 1970 [10 Dec., 1969], No. 47343/70. Heading F2H. In a metal screw 1 having a head 3 covered with a moulded-on plastics cap 6, the head 3 has a radial flange 2 at its base and tapers inwardly towards said flange and has longitudinal ribs 4 the radial dimensions of which reduce towards the flange. The taper is produced by upsetting the head in the cold state to leave a conical recess 8 in its upper end. The plastics cap 6 has a hexagonal outer surface and extends outwardly over the flange 2 to form a resilient flange the lower surface of which may be flush with the flange 2 surface or, as shown, be inclined relative to the flange 2 surface in a direction away from the head, to provide a seal when the screw is screwed into a surface.
Patent GB-1193668-A (GB)
Title: Solid-state Electrical Cells
IPC: H01M6/18
Filed: 1967-10-18
Abstract: 1,193,668. Cells having a solid electrolyte of a charge transfer complex plus a polar liquid. AUSTRALIA, QUEENSLAND, UNIVERSITY OF. 18 Oct., 1967 [27 Oct., 1966], No. 47411/67. Heading H1B. In a "solid state electric cell" comprising a solid electrolyte compressed between two electrodes, one of which is active, the other merely a current collector, the electrolyte is a charge transfer complex in which is incorporated a polar liquid. Suitable active electrodes are of Mg, Al, Sn or Zn; suitable inert electrodes are of Ni or C; suitable complexes are iodine/ methylene blue, iodine/pyranthrone, iodine/ dibromoanthracene Œ KI, iodine/naphthalene and iodine/polyvinylpyridine; suitable liquids are water, dimethylformamide and tetrahydrofuran. In the examples Mg active electrodes are used with pellets made by pressing at 4000- 8000 p.s.i. the dry powders of each of the above complexes, and water is the added liquid.
Patent GB-1373396-A (GB)
Title: Apparatus for suspending tools and the like
IPC: B25H3/04
Filed: 1971-10-13
Abstract: 1373396 Brackets VOLVERK AB 13 Oct 1971 [9 Dec 1970] 47662/71 Heading A4B [Also in Division E2] Apparatus for suspending tools or other articles comprises a plate 1 with perforations 2 and brackets detachably mounted on the plate by engagement with the perforations 2, each bracket comprising a hook 6, 7 with one arm 6 extending through a hollow rectangular casing 4 so that its end protrudes rearwardly into a perforation 2, and locking means movably mounted in the casing 4, the locking means having an operating part 8 protruding from the casing, a part 9 for bearing on a spring 10 engaging the hook arm 6 and a locking lug 11 extending through a slot 5 in the casing and into a further perforation 2. As shown, two locking means are provided and are disposed on opposite sides of the hookarm 6. In another embodiment Fig. 3 (not shown), only one locking means is provided and the protruding end of the arm 6 is formed with a notch (14) which receives an edge of the perforation 2 in which it engages.
Patent GB-1212800-A (GB)
Title: A mineral mining installation
IPC: E21D23/04
Filed: 1968-10-09
Abstract: 1,212,800. Advancing mine roof support. GEWERKSCHAFT EISENHUTTE WESTFALIA. 9 Oct., 1968 [29 Nov., 1967], No. 47863/68. Heading E1P. In an advancing mine roof support assembly comrpising a series of frames arranged in parallel, a service conduit 3, such as a pneumatic jobbing conduit, is suspended therefrom by a chain or cable 1 running over rollers 4', 5' arranged as shown or arranged in a modified manner as depicted in Figs. 3..7, (not shown). The pulleys 5' may be suspended by rings from a guide rail, see Fig. 2 (not shown), for displacement therealong in a direction transverse to that of the conduit 3.